Home / 825,788.88-1,139,826.24-535,389.84

Finding the Fourth Proportional to 825,788.88, 1,139,826.24 and 535,389.84

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Solution

The fourth proportional to 825,788.88, 1,139,826.24 and 535,389.84 is: 738,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,788.88 : 1,139,826.24 = 535,389.84 : x
  2. Step 2: Convert to fraction form
    825,788.88/1,139,826.24 = 535,389.84/x
  3. Step 3: Cross multiply
    825,788.88x = 1,139,826.24 × 535,389.84
  4. Step 4: Simplify right side
    825,788.88x = 610,251,388,261.40
  5. Step 5: Solve for x
    x = 610,251,388,261.40/825,788.88
  6. Step 6: Final answer
    x = 738,992.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.